Sim pidzemnych koroliv

U tsiy knyzi prodovzhuyet′sya rozpovid′ pro divchynku Elli ta yiyi druziv. TS′oho razu vony opynyayut′sya v dyvovyzhniy pecheri, potraplyayut′ u neymovirni pryhody i nareshti zvil′nyayut′ rudokopiv, meshkantsiv Pidzemnoyi krayiny, vid vlady simoch koroliv.